Home / 66,050,037.80-99,075,056.70-40,222,005.20

Finding the Fourth Proportional to 66,050,037.80, 99,075,056.70 and 40,222,005.20

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Solution

The fourth proportional to 66,050,037.80, 99,075,056.70 and 40,222,005.20 is: 60,333,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050,037.80 : 99,075,056.70 = 40,222,005.20 : x
  2. Step 2: Convert to fraction form
    66,050,037.80/99,075,056.70 = 40,222,005.20/x
  3. Step 3: Cross multiply
    66,050,037.80x = 99,075,056.70 × 40,222,005.20
  4. Step 4: Simplify right side
    66,050,037.80x = 3,984,997,445,777,695.50
  5. Step 5: Solve for x
    x = 3,984,997,445,777,695.50/66,050,037.80
  6. Step 6: Final answer
    x = 60,333,007.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.